Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Epidemiology of Dewclaw Dermatitis in Beef Cattle in the Amazon Biome

José Diomedes Barbosa
ORCID logo ,
Janayna Barroso Dos Santos
,
Hanna Gabriela da Silva Oliveira
ORCID logo ,
Tatiane Teles Albernaz Ferreira
,
José Alcides Sarmento Da Silveira
,
Camila Cordeiro Barbosa
ORCID logo ,
Marilene Farias Brito
ORCID logo ,
Natalia da Silva e Silva Da Silveira
,
Carlos Magno Chaves Oliveira
,
Henrique dos Anjos Bomjardim
,
Felipe Masiero Salvarani
* ORCID logo
Version 1 : Received: 13 February 2024 / Approved: 14 February 2024 / Online: 14 February 2024 (10:34:13 CET)

How to cite: Barbosa, J.D.; Dos Santos, J.B.; Oliveira, H.G.D.S.; Ferreira, T.T.A.; Da Silveira, J.A.S.; Barbosa, C.C.; Brito, M.F.; Da Silveira, N.D.S.E.S.; Oliveira, C.M.C.; Bomjardim, H.D.A.; Salvarani, F.M. Epidemiology of Dewclaw Dermatitis in Beef Cattle in the Amazon Biome. Preprints 2024, 2024020794. https://doi.org/10.20944/preprints202402.0794.v1 Barbosa, J.D.; Dos Santos, J.B.; Oliveira, H.G.D.S.; Ferreira, T.T.A.; Da Silveira, J.A.S.; Barbosa, C.C.; Brito, M.F.; Da Silveira, N.D.S.E.S.; Oliveira, C.M.C.; Bomjardim, H.D.A.; Salvarani, F.M. Epidemiology of Dewclaw Dermatitis in Beef Cattle in the Amazon Biome. Preprints 2024, 2024020794. https://doi.org/10.20944/preprints202402.0794.v1

Abstract

Bovine Dewclaw Dermatitis (BDCD) is a hoof disease characterized by inflammation of the second and fifth accessory digits and the skin in this region. This pathology is poorly described in the literature; however, it has recently been observed in beef cattle in the Amazon Biome, Brazil. The objective of this study was to identify the epidemiological factors associated with BDCD onset in cattle in the analyzed biome. Samples were collected from eight farms with extensive breeding systems located in Xinguara, Rondon do Pará, Curionópolis, and Ipixuna do Pará, in the state of Pará, Brazil. A total of 706 Nellore and Nellore crossbred with taurine bovine of both sexes were evaluated, with males aged between 2–4 years and a mean weight of 650 kg and females aged between 2–11 years and a mean weight of 400 kg. Distal extremities were inspected during cattle management, and in case of dewclaw lesions, a specific examination was carried out after proper restraint. Bovine were diagnosed with BDCD in all farms analyzed. Of the 706 cattle inspected, 49 (6.94%) showed BDCD, of which 19 (38.77%) were Nellore and 30 (61.22%) were crossbred. This was the first study to determine BDCD’s occurrence in extensive farming systems in the Amazon re-gion, also showing that pastures with large amounts of stumps and stones, the physical structure of pens, and trauma and injury incidence during animal management are the most important pre-disposing factors for the onset of BDCD.

Keywords

Production systems; Cattle breeding; Amazon.; Foot disorders

Subject

Biology and Life Sciences, Animal Science, Veterinary Science and Zoology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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